Inhibition of Soil Methane Oxidation by Fertilizer Application: an Intriguing but Persistent Paradigm

Mishra, Virendra Kumar; Shukla, Reetika; Shukla, Prabhu Nath

doi:10.22606/epp.2018.32001

Cited by 9 publications

(8 citation statements)

References 95 publications

(149 reference statements)

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“…The low CH 4 uptake across treatments was comparable to other experimentations piloted in Kenya's central highlands showing that highland soils are atmospheric CH 4 sinks [10,12]. The low soil CH 4 intake in Mf treatment was due to CH 4 oxidation activity inhibition due to the reduced methanotrophic bacteria activities brought about by the addition of inorganic fertilizer [40]. This could also be explained by the negative correlation between CH 4 fluxes and soil nitrates (NO 3 − -N), Table 7.…”

Section: Soil Greenhouse Gases Emissionssupporting

confidence: 66%

Greenhouse Gas Fluxes from Selected Soil Fertility Management Practices in Humic Nitisols of Upper Eastern Kenya

et al. 2022

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We quantified the soil carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) fluxes of five soil fertility management practices (inorganic fertilizer (Mf), maize residue + inorganic fertilizer (RMf), maize residue + inorganic fertilizer + goat manure (RMfM), maize residue + tithonia diversifolia + goat manure (RTiM), and a control (CtC)) in Kenya’s central highlands using a static chamber method from March 2019 to March 2020. The cumulative annual soil CH4 uptake ranged from −1.07 to −0.64 kg CH4-C ha−1 yr−1, CO2 emissions from 4.59 to 9.01 Mg CO2-C ha−1 yr−1, and N2O fluxes from 104 to 279 g N2O-N ha−1 yr−1. The RTiM produced the highest CO2 emissions (9.01 Mg CO2-C ha−1 yr−1), carbon sequestration (3.99 Mg CO2-eq ha−1), yield-scaled N2O emissions (YSE) (0.043 g N2O-N kg−1 grain yield), the lowest net global warming potential (net GWP) (−14.7 Mg CO2-eq ha−1) and greenhouse gas intensities (GHGI) (−2.81 Kg CO2-eq kg−1 grain yield). We observed average maize grain yields of 7.98 Mg ha−1 yr−1 under RMfM treatment. Integrating inorganic fertilizer and maize residue retention resulted in low emissions, increased soil organic carbon sequestration, and high maize yields.

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Section: Soil Greenhouse Gases Emissionssupporting

confidence: 66%

Greenhouse Gas Fluxes from Selected Soil Fertility Management Practices in Humic Nitisols of Upper Eastern Kenya

et al. 2022

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“…Nitrogenous fertilizer can enhance CH 4 production caused by the increase of plant growth along with an increase in root exudate (Bodelier et al 2000). High concentration of ammonium-based fertilizer was able to inhibit the activity of methane monooxygenase involved in CH 4 oxidation (Mishra et al 2018). On the contrary, low concentration of ammonium-based fertilizer may stimulate methane oxidation activity by bacteria which impact CH 4 emission reduction (Cai et al 1997;Seo et al 2014;Mishra et al 2018).…”

Section: Discussionmentioning

confidence: 99%

“…High concentration of ammonium-based fertilizer was able to inhibit the activity of methane monooxygenase involved in CH 4 oxidation (Mishra et al 2018). On the contrary, low concentration of ammonium-based fertilizer may stimulate methane oxidation activity by bacteria which impact CH 4 emission reduction (Cai et al 1997;Seo et al 2014;Mishra et al 2018). Nitrate addition could inhibit methanogenesis in paddy soils that cause a decrease in CH 4 emission (Wang et al 2018).…”

Section: Discussionmentioning

confidence: 99%

Impact of Methanotrophic and N2O-reducing Bacterial Inoculation on CH4 and N2O Emissions, Paddy Growth and Bacterial Community Structure in Paddy Field

et al. 2020

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Paddy field is one of the anthropogenic sources that produce greenhouse gases emission. This study aimed to investigate the impact of methanotrophic and N2O-reducing bacterial inoculation on CH4 and N2O emissions, paddy growth and bacterial community structure in paddy field. Two treatments of 100% synthetic fertilizer (250 kg urea/ha) without biofertilizer and 50% synthetic fertilizer (125 kg urea/ha) with biofertilizer consisted of methanotrophic and N2O-reducing bacteria were applied in the paddy field. Inoculation of methanotrophic and N2O-reducing bacteria was able to reduce CH4 and N2O emission up to 4.19 mg CH4/m2/day and 351.29 µg N2O/m2/day, respectively. Those bacterial applications were also able to increase paddy growth and yield productivity. According to DGGE profile, inoculation of the biofertilizer seemed to have a transient impact on bacterial communities in paddy soil at 36 days after transplanting (DAT) which showed the lowest similarity with all samples (a similarity index of 0.68). DGGE bands successfully excised have closest relative to uncultured bacteria which comprised 5 phyla, i.e. Proteobacteria (Alphaproteobacteria and Deltaproteobacteria), Nitrospirae, Actinobacteria, Firmicutes, and Acidobacteria. In this study, Alphaproteobacteria was the most dominant phylum. We provide basic information for developing the biofertilizer which supports sustainable agriculture.

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“…Here, both the activity and abundance of methanotrophs were found to be negatively associated with soil NH 4 + content (p < 0.05) (Figure 6). Previously, an obvious inhibition of methane oxidation has been observed after the addition of urea or (NH 4 ) 2 SO 4 in paddy soil (Kong et al, 2019;Mishra et al, 2018;Zheng et al, 2013). It is hypothesised that the input of N fertilisers into paddy fields increased the availability of soil NH 4 + , and then inhibited the activity of methanotrophs by stimulating nitrification (Mishra et al, 2018) et al, 2016).…”

Section: Effect Of N Fertilisation Rates On Methanotrophsmentioning

confidence: 92%

“…Previously, an obvious inhibition of methane oxidation has been observed after the addition of urea or (NH 4 ) 2 SO 4 in paddy soil (Kong et al, 2019;Mishra et al, 2018;Zheng et al, 2013). It is hypothesised that the input of N fertilisers into paddy fields increased the availability of soil NH 4 + , and then inhibited the activity of methanotrophs by stimulating nitrification (Mishra et al, 2018) et al, 2016). However, besides N fertilisation rates, other environmental conditions such as temperature are also quite different among different sampling sites.…”

Section: Effect Of N Fertilisation Rates On Methanotrophsmentioning

confidence: 92%

Biogeographical distribution and regulation of methanotrophs in Chinese paddy soils

Yang

Wang

Shen

et al. 2021

European J Soil Science

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Methanotrophs contribute significantly to methane consumption in paddy ecosystems. Currently, the biogeographical distribution and regulation of methanotrophs in Chinese paddy soils remain poorly understood. Here, we investigated the activity, abundance and community structure of methanotrophs in paddy soils from different geographical regions and three climate zones across China, with a total of 20 sampling sites. The results showed that the methanotrophic activity and pmoA gene abundance varied from 0.67 to 2.23 μmol CH 4 g À1 (dry soil) h À1 and 1.39 Â 10 5 to 1.03 Â 10 7 copies g À1 dry soil, respectively, and the methanotrophic communities were dominated by Methylocystis (type II). Heterogeneously distributed methanotrophic communities were observed among different climate zones characterised by a significant variation of the relative abundance of Methylococcus (type I). Furthermore, high and intermediate rates of nitrogen (N) fertilisation showed a significantly lower methanotrophic activity than the low rates of N fertilisation. However, no significant variation of methanotrophic abundance or community composition was observed among different N fertilisation levels. In addition, the soil ammonium content, water content, clay content, salinity, pH, mean annual precipitation and mean annual temperature was identified as the key factors affecting the activity, abundance and community composition of methanotrophs. Overall, our results showed the biogeographical distribution of methanotrophs in Chinese paddy soils, which can be largely influenced by climate conditions, N fertilisation rates and soil physiochemical properties. Highlights• Activity and abundance of methanotrophs varied greatly across Chinese paddy fields.• Methanotrophic community varied substantially across different climate zones.• Higher rates of N fertilization could decrease methanotrophic activity.• Soil properties (like NH 4 + , pH and moisture) significantly affected methanotrophs.

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Inhibition of Soil Methane Oxidation by Fertilizer Application: an Intriguing but Persistent Paradigm

Cited by 9 publications

References 95 publications

Greenhouse Gas Fluxes from Selected Soil Fertility Management Practices in Humic Nitisols of Upper Eastern Kenya

Greenhouse Gas Fluxes from Selected Soil Fertility Management Practices in Humic Nitisols of Upper Eastern Kenya

Impact of Methanotrophic and N2O-reducing Bacterial Inoculation on CH4 and N2O Emissions, Paddy Growth and Bacterial Community Structure in Paddy Field

Biogeographical distribution and regulation of methanotrophs in Chinese paddy soils

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